#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main1()
{
	int arr[] = { 1,2,3,4,5,6 };
	int arr2[] = { 7,8,9,10,11,12 };
	int len = sizeof(arr) / sizeof(arr[0]);
	for (int i = 0; i < len; i++)
	{
		int tamp;
		tamp = arr[i];
		arr[i] = arr2[i];
		arr2[i] = tamp;
	}
	for (int i = 0; i < len; i++)
	{
		printf("%d  ", arr[i]);
	}
	printf("\n");
	for (int i = 0; i < len; i++)
	{
		printf("%d  ", arr2[i]);
	}
	printf("\n============================");
	return 0;
}